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Finding the Third Proportional to 629,656,938 and 1,383,278,868

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Solution

The third proportional to 629,656,938 and 1,383,278,868 is: 3,038,893,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,656,938 : 1,383,278,868 = 1,383,278,868 : x
  2. Step 2: Convert to fraction form
    629,656,938/1,383,278,868 = 1,383,278,868/x
  3. Step 3: Cross multiply
    629,656,938x = 1,383,278,868 × 1,383,278,868
  4. Step 4: Simplify right side
    629,656,938x = 1,913,460,426,655,361,536
  5. Step 5: Solve for x
    x = 1,913,460,426,655,361,536/629,656,938
  6. Step 6: Final answer
    x = 3,038,893,580.26

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.